{"id":"CVE-2026-109937","state":"PUBLISHED","title":"Otter Blocks < 3.2.3 - Unauthenticated Open Redirect via Stripe Checkout Block","description":"The Otter Blocks  WordPress plugin before 3.2.3 does not validate that a user-supplied return URL belongs to the site before using it to build the return destination of a Stripe Checkout session, allowing unauthenticated attackers to redirect victims who complete or cancel checkout to an arbitrary external URL.","publishedAt":"2026-10-18T06:00:14.838Z","updatedAt":"2026-10-18T11:12:31.318Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Otter Blocks"],"affected":[{"vendor":"Unknown","product":"Otter Blocks","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.2.3","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/9765313d-c879-457f-851f-dab74b8d90a0/"],"weaknesses":["CWE-601"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/109xxx/CVE-2026-109937.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-109937","state":"PUBLISHED","datePublished":"2026-10-18T06:00:14.838Z","dateUpdated":"2026-10-18T11:12:31.318Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-10-13T11:18:33.392Z"},"containers":{"cna":{"title":"Otter Blocks < 3.2.3 - Unauthenticated Open Redirect via Stripe Checkout Block","descriptions":[{"lang":"en","value":"The Otter Blocks  WordPress plugin before 3.2.3 does not validate that a user-supplied return URL belongs to the site before using it to build the return destination of a Stripe Checkout session, allowing unauthenticated attackers to redirect victims who complete or cancel checkout to an arbitrary external URL."}],"affected":[{"vendor":"Unknown","product":"Otter Blocks","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.2.3","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/9765313d-c879-457f-851f-dab74b8d90a0/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-601 URL Redirection to Untrusted Site ('Open Redirect')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-10-18T06:00:14.838Z"},"credits":[{"lang":"en","value":"John Ryan Albon","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.4,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"id":"CVE-2026-109937","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-18T10:58:37.704515Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-601","lang":"en","type":"CWE","description":"CWE-601 URL Redirection to Untrusted Site ('Open Redirect')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-18T11:12:31.318Z"}}]}}}